Description & Specifications
Nitro 81XH Roller Chain, a heavy-duty version of the 81X chain designed to tackle the higher shock load applicaitons. Manufactured with thicker inner link plates, this chain boasts increased fatigue resistance, making it the go-to solution for applications demanding exceptional reliability. The Nitro 81XH chain retains the core attributes featuring solid rollers, solid bushings, and high-strength quad staked structural grade alloy pins.
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81XH Roller Chain Dimensions
- Pitch (P):2.609''
- Inner Width (b1):1.062''
- Roller Diameter (d1):0.905''
- Overall Width (L):2.389"
- Pin Diameter (d2):0.437''
- Link Plate Height (h2):1.122''
- Link Plate Thickness (T):0.219''
- Inner Link Plate Thickness (T1):0.313''
- Average Tensile Strength:39,500 lbs
- Max Working Load:5,700 lbs
- No. Of Pitches/Links Per 10 Feet:46
- No. Of Connecting Links Included:1
- Chain Material:Carbon/Alloy Steel
All dimensions listed are nominal values.
Features
Product Features Of Nitro™ 81XH Chain
Premium quality chain with improved features that results in longer lasting chain over many competitors.
Solid Rollers
Smoother operation between the chain & sprocket as well as better lubricant retention between the roller & bushing.
Solid Bushings
Will not distort under heavier shock loads that results in less stretch.
Quad Staked Pins
Able to withstand more frequent and higher shock loads.
Thicker Link Plates
The 81XH series chains are enhanced by using thicker link plates. This adds fatigue strength, allowing the chain to withstand higher & repeated shock loads.
Solid Roller
Manufactured with solid cold-forged rollers for smoother contact with the sprocket teeth and to resist distorting under heavy loads.
Solid Bushing
Built with solid cold-forged bushings for superior wear resistance that results in service life 2x to 3x greater than split bushing chains. See the solid bushing advantage.
Quad Staked Pins
Pin ends are quad staked rather than the standard dual staked pins. Quad staking offers enhanced strength while enduring higher shock loads.
Pre-Loaded
After assembly, all Nitro chains are pre-loaded to a minimum load required by the industry standard. Pre-loading seats the chain joint that eliminates any initial elongation in a new chain.
Lubrication
Pre-lubricated in a special formulated lubricant through a hot-dipping process. This process is critical to ensure the lubricant penetrates and thoroughly coats the internals of the chain. The special lubricant offers better retention (less spin-out) and improved wear protection over chains that are cold-dipped.
Heat Treated
Advanced heat treatment is applied to achieve optimum hardness for strength and wear resistance.
Shot Peened
To combat fatigue failure from repetitive loads & wear, a compressive stress layer is added through shot peening.
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